whirlybird offers multiple offerings for a smart grid operation. Authorities an choose suitable solutiion on basis oif their target capex & opex. Broadly there are 3 solutions for last mile data aquisition.
Existing energy meters can be upgraded by including IR & GPRS modems kit with marginal capex. The data cen be aggregated at the central location to be further distributed.
Upgrade to GPRS based modems will ensure smooth real time data vaiablility at gateway. All meters in this scenareo will go for an upgratde hence causing huge outlay on capex.
This solution includes upgrade of all energy meters to LORA WANnbased meters. All of these metters connect to local gateway and gateway is online by Wire, wofi or 4G. LORA Wan is new standard for IOT that has efficiency of a LAN or gprs and at the same time reduces hte opex considerably.